Publisher Annotation: Maureen and Francine Carter are twins and best friends. They participate in the same clubs, enjoy the same foods, and are partners on all their school projects. But just before the girls start sixth grade, Francine becomes Fran -- a girl who wants to join the chorus, run for class president, and dress in fashionable outfits that set her apart from Maureen. A girl who seems happy to share only two classes with her sister! Maureen...

After escaping the Black Hook Gang in 1860 New York City, twelve-year-old twins Alexander and Cleopatra flee to New Orleans, become separated, and try to find each other in San Francisco, while being followed by pirates who think they hold the key to treasure.

In a world where aliens have taken over Earth, abducted every human they deemed useful, and abandoned the rest, twins Sam and Wyatt struggle to start a revolution of the unwanteds.

Wyatt is the reluctant leader of the 'last picked' - the disabled, the elderly, and those deemed too young to be useful for hard labor by their alien captors. Having successfully hacked the alien tech, he scored the first victory in the human rebellion. Now he has a spaceship and a plan of attack - but can Wyatt and his ragtag army really take down an entire alien federation? Meanwhile, Wyatt's twin sister, Sam, and her girlfriend, Mia, are creating...

New student Vi finds herself falling for Orsino, even though he wants Vi's help asking Olivia to the school dance.

When twins Dawn and Dusk, young members of the Amazon rain forest's Morning Tribe, discover that their homeland is being threatened by Global Agricorp mercenaries, they gather their friends and rise to the challenge of protecting it. Though they're naturally smart, strong, and quick, the twins also each have special abilities. Dusk is stronger, faster, and more powerful as the sun sets. Dawn is farther-sighted, a better swimmer, and a gifted acrobat...

The #1 New York Times bestselling author Maggie Stiefvater (The Raven Cycle series) and artist Morgan Beem unearth the primal power of memory and how it twists the bond between two brothers. Twins Alec and Walker Holland have a reputation around town. One is quiet and the other is the life of any party, but they are inseparable. For their last summer before college, the two leave the city to live with their rural cousins, where they find that the...

Dani and Dorian go looking for their lost allies and end up running into their parents.

Fourteen-year-old twin basketball stars Josh and Jordan wrestle with highs and lows on and off the court as their father ignores his declining health.

Publisher Annotation: Isabel and Jane are the Extraordinary Peabody Sisters, conjoined twins in a traveling carnival freak show―until an ambitious surgeon tries to separate them and fails, causing Jane's death. Isabel has lost an arm and a leg but gained a ghostly companion: Her dead twin is now her phantom limb. Haunted, altered, and alone for the first time, can Isabel build a new life that's truly her own?